The use of a heater with a thermostat inside the external housing allows to maintain appropriate and safe operating conditions of the camera and lens, and eliminates such undesirable phenomena as: sweating, freezing and sprinkling fast camera housing at low temperaturesThe device switches on the heaters when the temperature inside the housing drops below a certain value
After unscrewing the housing, glue the thermostat plate at the end of the housing mounting base, and connect DC +12V voltage to the red wire and the ground to the black oneThe device has protection against reverse connection of the supply voltageAfter installation, it is necessary to carry out a test consisting in shorting the jumper located on the thermostat plate (eg with a screwdriver), which will turn on the heaters, allowing you to check the correctness of the camera's operation